Stone 110bcd Double Bike Chainring aero hollow for Sram AXS Flattop 12 13 Speed for Shimano Sigeyi Magene QUARQ R7000 R7100 R8000 R8100 R9100 R9200 4700 5800 6800 9000

STONE BCD110R2B-AXS Road Bike Chainring Set

Upgrade your drivetrain with the STONE BCD110R2B-AXS chainring set, designed for riders who want smooth shifting, reliable performance, and wide crankset compatibility. Made from high-strength AL7075 aluminum alloy and precisely machined by CNC, this chainring set delivers excellent durability, accuracy, and riding efficiency.

This model is specially designed for SRAM AXS 12-speed road drivetrains and must be used with a SRAM AXS Flattop chain.
Non-AXS chains are not compatible and cannot be used.

Key Features

• Designed for SRAM AXS 12-Speed Road Systems

  • Compatible with SRAM AXS 12-speed Flattop chain only
  • Optimized tooth profile for smooth and efficient shifting
  • Not compatible with non-AXS chains

• Wide Crankset & Power Meter Compatibility

  • Compatible with Shimano road cranksets and many 110x4 power meter spiders
  • Works with Sigeyi, Magene, and other compatible 110 BCD 4-bolt power meter spiders
• (The Quarq DFour power meter is only compatible with the hollow-style chainrings and not compatible with the aero versions. As its battery box will conflict to the aero chainring)
•  
  • Compatible with cranksets including:
    • Shimano R7000 / R7100
    • Shimano R8000 / R8100
    • Shimano R9100 / R9200
    • Shimano 4700 / 5800 / 6800 / 9000

• High-Strength AL7075 Aluminum

  • Made from premium AL7075 aluminum alloy
  • CNC-machined for high precision and consistent quality
  • Anodized surface treatment for improved corrosion resistance and durability

• Improved Shifting Performance

  • Dedicated shifting pins help increase upshift success rate
  • Optimized ramp design improves chain engagement
  • Designed to reduce chain noise, chain drop, and shifting hesitation

• Multiple Gear Ratio Options

  • Available in several chainring combinations for climbing, training, commuting, and racing
  • Suitable for standard road bikes

Compatibility Notice

This chainring set is compatible with SRAM AXS 12-speed Flattop chains only.

✅ Compatible chain:

• SRAM AXS 12-speed Flattop chain

❌ Not compatible with:

• Non-AXS chains
• Shimano chains
• KMC chains
• YBN chains
• Other standard 11-speed or 12-speed chains

Using a non-AXS chain may cause poor shifting performance, chain noise, chain drop, or drivetrain malfunction.

Compatible Cranksets & Power Meters

Compatible with the following Shimano road cranksets and 110 BCD 4-arm power meter spiders:

• Shimano Tiagra 4700
• Shimano 105 R7000 / R7100
• Shimano Ultegra R8000 / R8100
• Shimano Dura-Ace R9100 / R9200
• Shimano 105 5800
• Shimano Ultegra 6800
• Shimano Dura-Ace 9000
• Sigeyi power meter spiders
• Magene power meter spiders
• Other compatible 110 BCD 4-bolt road power meter spiders

Available Chainring Options

Standard Style: BCD110R2B-AXS-L

Full Cover Style: BCD110R2B-AXS-F

Recommended Gear Ratios

• Climbing: 46T + 33T
• Training / Commuting: 48T + 35T or 50T + 37T
• Racing: 52T + 39T or 54T + 41T

Specifications

Important Notes

• This product must be used as a complete chainring set.
• Do not mix with chainrings from other brands or other models.
• Only compatible with SRAM AXS 12-speed Flattop chains.
• Non-AXS chains are not supported.
• Chainring bolts for installation are included.
• Please check crankset, power meter spider, and frame clearance before purchase.